Achillea plant named ‘Bosachskyfi’

ABSTRACT

A new and distinct cultivar of Achillea plant named ‘Bosachskyfi’, characterized by its upright and uniform plant habit; vigorous growth habit; freely branching habit; freely flowering habit; inflorescences with red and pale yellow-colored ray florets; and good garden performance.

Botanical designation: Achillea millefolium.

Cultivar denomination: ‘BOSACHSKYFI’.

STATEMENT REGARDING PRIOR DISCLOSURES BY INVENTOR & APPLICANT/ASSIGNEE

An European Community Plant Breeder's Rights application for the instantplant was filed by the Inventor/Applicant on May 4, 2021, applicationnumber 2021/1217. Foreign priority is not claimed to this application.

The Inventor/Applicant assert that no publications nor advertisementsrelating to sales, offers for sale or public distribution occurred morethan one year prior to the effective filing date of this application.Any information about the claimed plant would have been obtained from adirect or indirect disclosure from the Inventor/Applicant.Inventor/Applicant claim a prior art exception under 35 U.S.C. 102(b)(1)for disclosure and/or sales prior to the filing date but less than oneyear prior to the effective filing date.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Achilleaplant, botanically known as Achillea millefolium, commonly referred toas Yarrow, and hereinafter referred to by the name ‘Bosachskyfi’.

The new Achillea plant is a product of a planned breeding programconducted by the Inventor in Aalsmeer, The Netherlands. The objective ofthe breeding program is to create new vigorous Achillea plants withuniform plant habit and large inflorescences with attractive flowers.

The new Achillea plant originated from a self-pollination in Aalsmeer,The Netherlands in July, 2016 of a proprietary selection of Achilleamillefolium identified as code number AB14-000012-015, not patented. Thenew Achillea plant was discovered and selected by the Inventor as asingle flowering plant from within the progeny of the statedself-pollination in a controlled greenhouse environment in Aalsmeer, TheNetherlands in July, 2017.

Asexual reproduction of the new Achillea plant by vegetative tipcuttings in a controlled environment in Aalsmeer, The Netherlands sinceJuly, 2017, has shown that the unique features of this new Achilleaplant are stable and reproduced true to type in successive generations.

SUMMARY OF THE INVENTION

Plants of the new Achillea have not been observed under all possiblecombinations of environmental conditions and cultural practices. Thephenotype may vary somewhat with variations in environmental conditionssuch as temperature and light intensity, without, however, any variancein genotype.

The following traits have been repeatedly observed and are determined tobe the unique characteristics of ‘Bosachskyfi’. These characteristics incombination distinguish ‘Bosachskyfi’ as a new and distinct Achilleaplant:

-   -   1. Upright and uniform plant habit.    -   2. Vigorous growth habit.    -   3. Freely branching habit.    -   4. Freely flowering habit.    -   5. Inflorescences with red and pale yellow-colored ray florets.    -   6. Good garden performance.

Plants of the new Achillea differ from plants of the parent selection inray floret color as plants of the new Achillea have red and paleyellow-colored ray florets whereas plants of the parent have lightpink-colored ray florets. In addition, plants of the new Achillea aremore compact than plants of the parent selection.

Plants of the new Achillea can also be compared to plants of Achilleamillefolium ‘Desert Eve Cream’, not patented. In side-by-sidecomparisons, plants of the new Achillea differ primarily from plants of‘Desert Eve Cream’ in ray floret color as plants of the new Achilleahave red and pale yellow-colored ray florets whereas plants of ‘DesertEve Cream’ have cream-colored ray florets. In addition, plants of thenew Achillea are larger than and not as compact as plants of ‘Desert EveCream’.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying photograph illustrates the overall appearance of thenew Achillea plant showing the colors as true as it is reasonablypossible to obtain in colored reproductions of this type. Colors in thephotograph may differ slightly from the color values cited in thedetailed botanical description which accurately describe the colors ofthe new Achillea plant. The photograph is a top perspective view of atypical flowering plant of ‘Bosachskyfi’ grown in a container.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photograph and following observations andmeasurements describe plants grown during the late summer in 17-cmcontainers in an outdoor nursery in Aalsmeer, The Netherlands and undercultural practices typical of commercial Achillea production. During theproduction of the plants, average daily temperatures were 22° C. andaverage night temperatures were 17° C. Plants were 25 weeks old when thephotograph and description were taken. In the following description,color references are made to The Royal Horticultural Society ColourChart, Second Edition, except where general terms of ordinary dictionarysignificance are used.

-   Botanical classification: Achillea millefolium ‘Bosachskyfi’.-   Parentage: Self-propagation of a proprietary selection of Achillea    millefolium identified as AB14-000012-015, not patented.-   Propagation:    -   -   Type.—Terminal vegetative cuttings.        -   Time to initiate roots, summer.—About 16 days at            temperatures about 26° C.        -   Time to initiate roots, winter.—About three weeks at            temperatures about 23° C.        -   Time to produce a rooted cutting, summer.—About 24 days at            temperatures about 23° C.        -   Time to produce a rooted cutting, winter.—About four weeks            at temperatures about 18° C.        -   Root description.—Medium in thickness, fibrous; typically            white to light yellow in color, actual color of the roots is            dependent on substrate composition, water quality,            fertilizer type and formulation, substrate temperature and            physiological age of roots.        -   Rooting habit.—Moderately freely branching habit; medium            density.-   Plant description:    -   -   Plant and growth habit.—Perennial plant appropriate as a            container or garden plant; upright and uniform plant habit;            vigorous growth habit; moderate growth rate; freely basal            branching habit with about twelve primary branches each with            about six secondary lateral branches developing per plant.        -   Plant height.—About 50 cm.        -   Plant diameter or spread.—About 64 cm.        -   Lateral branches.—Length: About 49 cm. Diameter: About 5 mm.            Internode length: About 4 cm. Aspect: Upright to about 45°            from vertical. Strength: Strong. Texture and luster:            Pubescent; glossy. Color, developing: Close to 142B. Color,            developed: Close to 143C.-   Leaf description:    -   -   Arrangement.—Alternate, simple; sessile.        -   Length.—About 2 cm.        -   Width.—About 1 cm.        -   Shape.—Overall, oblong; feathery and fern-like.        -   Apex.—Acute.        -   Base.—Cuneate.        -   Margin.—Deeply and finely dissected, pinnatisect; lobes            divergent.        -   Texture and luster, upper and lower surfaces.—Pubescent;            glossy.        -   Venation pattern.—Pinnate.        -   Color.—Developing leaves, upper and lower surfaces: Close to            143A. Fully expanded leaves, upper and lower surfaces: Close            to 143A; venation, close to 143C.-   Inflorescence description:    -   -   Arrangement and habit.—Rotate composite inflorescence form;            inflorescences arranged in terminal or axillary compound            corymbs; corymbs are mostly flat-topped to slightly rounded;            freely flowering habit with about 264 inflorescences per            terminal corymb with numerous corymbs developing per plant;            corymbs positioned above the foliar plane and face mostly            upright.        -   Fragrance.—Noticeable; pleasant.        -   Time to flower.—Plants flower during June and July in The            Netherlands; inflorescences not persistent.        -   Inflorescence buds.—Height: About 5 mm. Diameter: About            3 mm. Shape: Ovoid. Texture and luster: Pubescent; glossy.            Color: Close to 145A.        -   Corymb diameter.—About 9 cm.        -   Corymb height.—About 7 cm.        -   Inflorescence diameter.—About 8 mm.        -   Inflorescence height.—About 7 mm.        -   Disc diameter.—About 4 mm.        -   Receptacle diameter.—About 2 mm.        -   Receptacle height.—About 1 mm.        -   Receptacle shape.—Rounded, button-shaped.        -   Receptacle color.—Close to 143A.        -   Ray florets.—Quantity and arrangement: About five in a            single whorl; ray florets face outwardly. Length: About            3 mm. Width: About 4 mm. Shape: Elliptic. Apex: Obtuse with            truncate tendencies; undulate. Base: Obtuse. Margin: Entire;            slightly undulate. Texture and luster, upper and lower            surfaces: Smooth, glabrous; matte. Color: When opening,            upper surface: Close to 46A. When opening, lower surface:            Close to 53D; proximally close to 19C. Fully opened, upper            surface: Close to 53A; venation, close to 53A; with            subsequent development, color becoming closer to 53B and            53C; proximally close to 19C. Fully opened, lower surface:            Close to 53D; proximally close to 19C; venation, close to            53D and 19C; with subsequent development, color becoming            closer to 19C.        -   Disc florets.—Quantity and arrangement: About 16 massed at            the center of the receptacle. Length: About 4 mm. Diameter:            About 1 mm. Shape: Tubular; apex, five-pointed. Texture and            luster; upper and lower surfaces: Smooth, glabrous; matte.            Color, upper and lower surfaces: Close to 5A.        -   Phyllaries.—Quantity and arrangement: About 15 arranged in            about three whorls; imbricate and tightly appressed to the            ray florets. Length: About 4 mm. Width: About 2 mm. Shape:            Elliptic. Apex: Acute. Base: Cuneate. Margin: Entire.            Texture and luster, upper surface: Pubescent; glossy.            Texture and luster, lower surface: Smooth, glabrous; glossy.            Color, upper and lower surfaces: Close to 143A.        -   Peduncles.—Length, terminal peduncle: About 6 mm. Diameter,            terminal peduncle: About 1 mm. Length, third peduncle: About            2 cm. Diameter, third peduncle: About 1 mm. Strength:            Moderately strong. Aspect: About 45° from vertical. Texture            and luster: Pubescent; glossy. Color: Close to 143B.        -   Pedicels.—Length: About 5 mm. Diameter: About 1 mm.            Strength: Flexible. Aspect: Erect to about 30° from            vertical. Texture and luster: Pubescent; glossy. Color:            Close to 143A.        -   Reproductive organs.—Androecium (present on disc florets            only): Quantity: About five. Filament length: About 1 mm.            Filament color: Close to 143C. Anther shape: Narrowly            oblong; basifixed. Anther size: About 0.1 mm by 1 mm. Anther            color: Close to 1A. Pollen amount: Abundant. Pollen color:            Close to 17A. Gynoecium (present on disc and ray florets):            Quantity: One. Pistil length: About 3 mm. Stigma diameter:            About 1 mm. Stigma shape: Bi-parted. Stigma color: Close to            150C. Style length: About 2 mm. Style color: Close to 145A.            Ovary color: Close to 157A.        -   Seeds and fruits.—To date, seed and fruit production has not            been observed on plants of the new Achillea.-   Pathogen & pest resistance: To date, plants of the new Achillea have    not been shown to be resistant to pathogens and pests common to    Achillea plants.-   Garden performance: Plants of the new Achillea have been observed to    have good garden performance and tolerate wind, rain and to tolerate    temperatures ranging from about −37° C. to about 35° C. and to be    suitable for U.S.D.A. Hardiness Zone 3.

It is claimed:
 1. A new and distinct Achillea plant named ‘Bosachskyfi’as illustrated and described.